42454236 has 48 divisors (see below), whose sum is σ = 114428160. Its totient is φ = 12107520.

The previous prime is 42454177. The next prime is 42454267. The reversal of 42454236 is 63245424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7216 + ... + 11703.

It is an arithmetic number, because the mean of its divisors is an integer number (2383920).

Almost surely, 2^42454236 is an apocalyptic number.

It is an amenable number.

42454236 is an abundant number, since it is smaller than the sum of its proper divisors (71973924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42454236 is a wasteful number, since it uses less digits than its factorization.

42454236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18954 (or 18952 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 42454236 is about 6515.6915212432. The cubic root of 42454236 is about 348.8512980236.

The spelling of 42454236 in words is "forty-two million, four hundred fifty-four thousand, two hundred thirty-six".